Classification
170 - Ethics
700 - The arts; fine & decorative arts
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
300 - Social sciences
2
320 - Political science
2
363 - Other social problems & services
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
304 - Factors affecting social behavior
1
330 - Economics
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
370 - Education
1
576 - Genetics & evolution
1
600 - Technology
1
900 - History & geography
1